stepper motors
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This Desk Buoy Copies the Live Motion of a Real Buoy at Sea, Hanging From 8 Stepper Lines A Belgian maritime pilot, whose job is guiding ships in and out of port, has built a desk piece that brings the sea indoors. His 30 cm 3D-printed west cardinal buoy hangs on eight lines, each wound by its own small stepper motor, and it rolls and heaves with live wave data from a real buoy out at sea. Pick a station off Bermuda and it moves to 1.9 m waves every 8 seconds; for some buoys it… |
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Ball-Balancing Robot Uses a Mirror to Stay Compact; Pi Handles Vision, Leaves Motor Step Timing to 3 RP2040 Chips MirrorBallBot, an open-source ball-balancing robot from a maker using the GitHub handle AndreaFavero71, looks at its platform through a mirror rather than from above. The camera sits to the side and points at a mirror inclined at 27 degrees beneath the platform. The author says that, for the same camera and robot height, this widens the field of view by 58%, which allows a larger platform… |
